<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>databaseAccess</title>
</head>
<body>
<div id="status"></div>
<script>
console.log(openDatabase)
        let res=""
        try{
            if(openDatabase){
                res="openDatabase"
            }
        }catch(e){
            console.log("err:"+e)
            res="openDatabase is undefined"
        }
        function getDataResult(){
            return res
        }
    </script>
</body>
</html>